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The verification study of improvements in psychological stress: a randomized double-blind, parallel-group, placebo-controlled trial

The verification study of improvements in psychological stress: a randomized double-blind, parallel-group, placebo-controlled trial - The verification study of improvements in psychological stress

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000029582
Enrollment
40
Registered
2017-10-16
Start date
2017-10-17
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy Japanese adults

Interventions

Duration: 8 weeks Test material: Active capsule Dose: Take 3 capsules per day Administration: Take a capsule after breakfast, lunch, and dinner. * If you cannot eat either breakfast or lunch, take

Sponsors

ORTHOMEDICO Inc.
Lead Sponsor
Medical Corporation Seishinkai, Takara Clinic
Collaborator

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Healthy Japanese adults 2. Subjects experiencing stress in daily 3. Subjects whose the result of the Helicobacter pylori antibody test is negative at screening and examination before ingestion and are judged as eligible to participate in the study by the principal investigator 4. Among the subjects who met 3rd inclusion criteria, subjects whose LF/HF ratio at autonomic function test is relatively high

Exclusion criteria

Exclusion criteria: 1. At least one previous medical history or under the treatment of malignant tumor, heart failure or myocardial infarction 2. Currently under the treatment for either cardiac arrhythmia, hepatic disorder, renal disorder, cerebrovascular disorder, rheumatism, diabetes mellitus, dyslipidemia, hypertension, or other chronic diseases 3. Subjects who use or take "Foods for Specified Health Uses" and "Foods with Functional Claims" in daily 4. Currently taking medicines (include herbal medicines) and supplements 5. Subjects who are allergic to medicines and/or the test food related products 6. Subjects who are pregnant, breast-feeding, and plan to become pregnant 7. Subjects who have been enrolled in other clinical trials within the last three months before the agreement to participate in this trial 8. Subjects who are judged as ineligible to participate in the study by the principal investigator 9. Subjects who have been diagnosed with Helicobacter pylori infection

Design outcomes

Primary

MeasureTime frame
Autonomic function * Assess at screening and examination before consuming and at 4 and 8 weeks after consuming. Perform the test before and after psychological stress load.

Secondary

MeasureTime frame
1. Salivary amylase activity 2. Salivary cortisol activity 3. Pepsinogen I (PGI) 4. Pepsinogen II (PGII) 5. PGI/PGII 6. Profile of Mood States 2nd Edition (POMS2) Japanese version 7. Izumo Scale 8. Original questionnaires 8a. Visual Analogue Scale (VAS) 8b. Likert scale *1-6,8a Assess at screening and examination before consuming and at 4 and 8 weeks after consuming. Perform these assessments before and after psychological stress load. *7,8b Assess at screening and examination before consuming and at 4 and 8 weeks after consuming. Perform the assessment before psychological stress load.

Countries

Japan

Contacts

Public ContactNaoko SUZUKI

ORTHOMEDICO Inc. R&D Department

nao@orthomedico.jp03-3818-0610

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026